Machine for sizing and crozing staves.



PATENTED NOV..3, .1903.

n. 0. PUTNAM. MACHINE FOB. SIZING AND GROZING STAVES.

APPLIOATIOH I'LLED MAY 29- 1901.

4 SHEETS-SHEET 1.

N0 MODEL.

WITNESSES.-

PATENTED NOV. 3

I). c. PUTNAM. MACHINE FOR SIZING AND GROZING STAVES.

APPLIOATION nun MAY 29. 1901. no paonnn.

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PATENTED NOV. 3

D. c. PUTNAM. MACHINE FOR SIZING AND (mozma 'STAVES.

APPLICATION FILED MAY 29, 1901.

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110 MODEL.

INVENTOR 6%), j BY 7g i I ATTORNEYS.

WITNESSES No. 743,032. v PATENTED NOV. s, 1903.

1). 0. PUTNAM.

MACHINE FOR SIZING AND GROZING STAVES. V

APPLIOATION FILED MAX 29. 1901. y no MODEL. 4 SHEETS-SHEET 4.

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" ll NITED STATES I Patented November 3, 1903 PATENT OFFICE.

DOUIA O. PUTNAM, OF LYONS, NEW YORK.

SPECIFICATION forming part of Letters Patent No. 743,032, dated November 3, 1903.

. Application filed May 29, 1901. Serial No. 62,409. (No model-3 To all whom, it may concern:

Be it known that I, DOUIA O. PUTNAM, of Lyons, in the county of Wayne, in the State of New York, have invented new and useful Improvements in Machines for Sizing and Crozing Staves, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

My invention relates to improvements in machines for sizing and crozing staves, having more particular reference to themeans for adjusting the machine for different lengths of staves and also to a rotary carrier for conveying the staves to and from the cutters.

The object of this invention is to produce a simple, compact, and highly-efficient machine for simultaneously sawing and crozing staves of different lengths and in which the unison with the main carriers by frictional engagement with the traveling staves for supporting the ends of the staves in proximity to the cutters, and thereby preventing undue vibration or mutilation of the ends of the staves during the operation of cutting the.

same.

A still further object of this invention is to provide the machine with all necessary counter=shafts and forming a part of the machine, so that it is only necessary to connect the power driving mechanism to the main counter-shaft of the machine, thereby obviating the necessity for setting up extra countershafts or other intermediary power-transmit:

ting mechanism,

To this end the invention consists in the combination, construction, and arrangement of the parts of a stave sizing and crozing machine, as hereinafter fully described, and pointed out in the claims.

Referring to-the drawings, Figure l is a side elevation of a stave sizing and 'crozing machine embodying the various features of my invention. Fig. 2 is a front elevation, partly broken away and partly in section, of the machine seen in Fig. 1. Figs. 3, 4, and 5 are sectional views taken, respectively, on

lines 3 3, Fig. 1, -i 4:, Fig. 2, and 5 5, Fig. 4. ,Fig. 6 is a transverse vertical sectional view taken on line 6 6, Fig. 2.

Similar reference characters indicate cor- :responding parts in all the views.

In'the drawings I have shown a ma hine lsimilar to that set forth in my former patent, l No. 543,893, dated August 6, 1895, the cutter- }heads and main rotary carriers being substantially identical with those seen in the patent ijust referred to, except that said rotary carlriers are mounted upon threaded sleeves,herelinafter described.

In carrying out the objects of my present ,invention I preferably employ a frame 1, congsisling of upright standards, one or both of which are movable toward and away from geach other; means, as a screw 2, for moving ;the standards toward and away from each lother rotary cutter-heads 3, journaled on the standards and movable toward and away from jeach other with said standards; rotary carjriers 4 for conveying the staves to and from said cutters; auxiliary rotary carriers 5, revo- Zlubly supported by the standards 1 in proxiimity to the cutter-heads, and a counter-shaft *6 for driving the cutter-heads 3 and the rotary lcarriers 4:. A

) Each of the standards of the frame 1 is pro- ;vided with a suitable bearing7, in which are journaled sleeves 8, having threaded aperltures 9 for receiving and engaging the screw- ;threaded spindle 2. The sleeves are each proivided with separated annular shoulders 10 ?for engaging the end faces of the bearings 7 and preventing endwise movement of the lsleeves independently of the upright standlards of the frame 1, it being understood that the bearings 7 are provided with removable Zcaps 11 for permitting the insertion and removal of the sleeves 8, said' caps being held in position in the usual manner by suitable bolts. These sleeves are preferably extended inwardly toward each other from their beariings 7, one being provided with a left-hand thread and the other with a right-hand thread, jIand their inner ends are adapted to receive and support the rotary carriers 4, which are secured to said sleeves by suitable set-screws 12. The screw-threaded spindle 2 is mounted lin the threaded sockets of the sleeves 8, its

opposite ends being provided with right and left hand threads corresponding to the threads of the respective sockets, and is preferably of sufficient length to permit the adjustment of the upright standards and the cutter-heads carried thereby for any desired length of stave. This screw-threaded spindle is provided with a handpiece 13, which is secured to the intermediate port-ion of said spindle between the rotary carriers 4, whereby said screw may be rotated and the upright standards of the frame 1 moved simultaneously toward or away from each other, these upright standards being mounted upon suitable rollers 14 for permitting the same to be easily moved toward or away from each other. It is apparent, however, that, if desired, one of these upright standards may be fixed, and the corresponding end of the spindle 2 and adjacent sleeve 8 may be unprovided with screwthreads, in which case the spindle would be held from endwise movement by suitable collars secured to the spindle and engaged with the opposite end faces of theadjacent sleeve 8 for preventing endwise movement of the spindle relative to the upright standard just described. The opposite upright standard may then he moved toward and away from the fixed standard in the same manner by rotating the handpiece 13.

The cutter-heads 3 are mounted in suitable bearings 15, forming a part of the upright standards of the frame 1, and are each provided with a saw or equivalent cutter 16 and crozier-knives 17, the saws 16 serving to cut the staves to the proper length, and the knives 17 serve to form the grooved and bevel edges upon the opposite ends of the staves. These cutter-heads being described and claimed in my former patent above referred to, it is believed to be unnecessary to further illustrate or describe the same.

As previously stated, the rotary carriers 4 are secured to the inner ends of the sleeves 8 and are movable with the upright standards of the frame 1 toward and away from each other, each being provided with a circular toothed rack or gear 16 and an annular flange 17, to which are secured carrier-arms 18.

The flanges 17 and arms 18 are arranged to receive and support the staves and to carry the same forwardly to cutter-heads in substantially the same manner as set forth in my former patent and not necessary to further illustrate or describe. These rotary carriers tare actuated simultaneously bysuitable pinions 19, which are secured to rotary sleeves 20, journaled in brackets 21, which are mounted upon the upright standards ofthe frame 1.

The sleeves 20 are feathered upon a shaft 22, one of the sleeves being provided with a pulley 23,which is connected to a pulley 23' upon the counter-shaft 6 by a suitable belt or other power-transmitting device 26,whereby as said counter shaft is rotated rotary motion is transmitted to the sleeve 20, connected thereto, which in turn transmits rotary motion to the shaft 22 and to the other sleeve, thereby driving both pinions 19 and the rotary carriers 4 in mesh therewith. The sleeves 20 are held from endwise movement relative to the upright standards of the frame 1 by suitable shoulders 24, engaged with the end faces of the bearings 21, the sleeve having the pulley 23 secured thereto being also provided with additional separated shoulders 25 for preventing independent endwise movement of the said pulley 23, this pulley being preferably split for permitting the same to be readily placed in position or removed therefrom when desired.

The auxiliary carriers 5 are revolubly supported by the upright standards of the frame 1 between the rotary cutter-heads 3 and adjacent carriers 4, being preferably journaled upon suitable brackets 27, having their outer ends secured to the upright standards of the frame and their inner ends extending upwardly between the cutter-heads and carriers 4 and provided with movable bearings 28, mounted on said upward extensions of the brackets 27. These bearings 28 are preferably movable vertically and are yieldingly supported upon suitable springs or equivalent supports 29, the rotary carriers 5 being journaled in these hearings and are therefore yieldingly supported upon the brackets 27 for causing the periphery of the carriers 5 to frictionally engage the inner faces of the opposite ends of the staves as'the same are carried over the cutters by the carriers 4. This feature of my invention is particularly efficient in operation, as the friction between these carriers and the staves during the travel of the staves over the cutters is reduced to a mini- 'mum, the carriers 5 simply rotating with the staves and serving to facilitate their movement across the cutting edges of the cutterheads. Although I have shown these brackets as arranged beneath the cutter-heads, it is apparent that the auxiliary carriers 5 may be otherwise supported upon said upright standards without departing from the spirit of my invention, the essential feature being to support an intermediate rotary frame or supplementary carrier between each of the cutter-heads and the adjacent main carryingframe.

The counter-shaft 6 is journaled in suitable bearings 30 in the upper ends of the brackets 31, which brackets are secured to the upright standards and form practically a part of said standards, and in order that these upright standards and the brackets 31 may be moved simultaneously toward and away from each other without effecting the endwise movement of the shaft 6 I preferably provide each of the bearings with a sleeve 32, to which are secured pulleys 33, connected by belts 34 to smaller pulleys 35,mounted upon the shafts of the'cutter-heads 3, whereby when the shaft 6 is rotated the cutter-heads 3 will be also rotated at a much higher rate of speed. Secured to the shaft 6 is a pulley 34, adapted the pulley 3t is rotated to actuate one of the sleeves and the pulleys connected thereto it is apparent that the shaft is rotated and simultaneously rotates the other sleeve and the pulley connected thereto.

In the operation of my invention the upright standards move toward and away from each other by the handpiece l3 and screwthreaded spindle 2 for setting thecutter-heads the desired distance apart. Power isthen applied to'the pulley 34, which serves to rotate the cutter-heads 3 and also the carriers 4:. As the staves are carried forwardly over the on tters by the carriers 4 the auxiliary carriers 5 serve to hold the opposite ends of the staves against suitable pressure-bars 36, which engage the upper face of the staves and, together with the carriers 5, prevent any vibration or mutilation of the ends of the staves. In order to'secure the standards in their adjusted position, I preferably connect the same by suitable tie-rods 37, which are mounted in elongated bearings 38 and are engaged by setscrews 39 for holding the upright standards in fixed relation to each other after the cutterheads have been set to the desired position, and when it is desired to readjust the on tterheads these set-screws are simply loosened and the handpiece 13 rotated to move the standards and the cutter -heads connected thereto the desired distance from each other, it being understood that the rotary carriers L and also the supplementary carriers 5 are simultaneously moved with said standards and always bear the same relation to each other.

The operation of'my invention will now be readily understood upon reference to the foregoing description and the accompanying drawings, and it will be noted that the essential features of my invention arefirst to provide means for adjusting one or both of the stadards toward and away from each other and also to provide a rotary yielding carrier for each of the cutter-heads.

Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is-

1. A machine for sizing and crozing staves comprising upright standards adjustable toward and from each other, means for adjusting the standards, rotary cutters journaled on the standards and having alined axes, main carriers 'rotatively 'mounted on the standards-to carry the staves to the cutters, auxiliary rotary carriers carried bythe standards between the cutters and main carriers to additionally support the ends of the staves during the cutting operation, and pressurebars for holding the staves to the cutters and carriers.

2. A machine for sizing and crozing staves comprising upright standards adjustable toward and from each other, means for adjusting the standards, rotary cutters journaled on the standards and having alined axes, main carriers rotatively mounted on the standards to carry the staves to the cutters, auxiliary rotary carriers carried by the standards between the cutters and main carriers to additionally supportthe ends of the staves during the cutting operation, and yielding bearings for the auxiliary carriers. r

3. A machine for sizing and crozing staves comprisingaframe having uprightstandards,

one being movable toward and away from the other, and rotary cutter-heads mounted'on said standards for the purpose specified, main carriers, and additional rotary carriers in proximity to the inner faces of the cntterheads.

4:. A machine for sizing and crozing staves comprising a frame having upright standards, one beingmovable toward and away from the other, and provided with a threaded aperture, a rod journaled in the frame and provided with a threaded portion engaged with the threads of the aperture and rotary cutterheads mounted on the frame for thepurpose set forth, main carriers, and additional rotary carriers in proximity to the inner faces of the cutterheads. t

5. A machine for crozing and sizing staves comprising upright standards, one being movable toward and away from the other, one or more guide-rods uniting said standards for guiding the movable standard, and rotary cutter-heads mounted on the standards for the purpose set forth, main carriers, and additional rotary carriers in proximity to the inner faces of the cutter-heads.

6. A machine for crozing and sizing staves comprising upright standards mounted on rollers and movable toward and from each other, guide-bars for the standards,rotary carriers mounted on the standards, a screwthreaded shaft for adjusting the standards toward and away from each other, said shaft rotating with the carriers and extending axi ally therethrough,and rotary cutter-heads carried by the standards above the screw-shaft.

7. A machine for crozing and sizing staves comprising upright standards provided with oppositely-threaded bearings, rotary cutterheads mounted on the standards, above the bearings and an adjustable screw having right and left threads engaged respectively with the threads of the bearings for simultaneously moving the standards and cutter-heads toward and away from each other, rotary carriers secured to said bearings, and driving means for the cutters and carriers carried by the standards.

8. A machine for sizing and crozing staves comprising upright standards adjustable toward and from each other, rotary sleeves journaled on the standards and threaded internally,a threaded rod connecting the threaded sleeves to efiect the adjustment of the standards, cutters journaled on the standards to size and croze the staves, main carriers secured to the sleeves to feed the staves to the cutters, brackets secured to the standards and provided with yielding bearings, auxiliary carriers rotatively mounted in the bearings, and pressure-bars to hold the ends of the staves to the cutters and carriers.

9. A machine for crozing and sizing staves the combination of movable standards, a revoluble cutter-head and a rotary carrier for the staves on each standard, and means for simultaneously moving the standards toward and away from each other, said means extending axially through the centers of, the carriers and rotatable therewith.

10. A machine for sizing and crozing staves comprising upright standards adjustable toward and from each other, a rotary screw operatively connected to efiect said adjustment, rotary cutters mounted on the standards, main carriers rotatively mounted on the frame concentric with the screw to feed the staves to the cutters, auxiliary rotary carricrs yieldingly mounted on the standards between the cutters and main carriers for additionally supporting and feeding the staves, and pressure bars operating to hold the staves to the cutters and carriers during the cutting operation.

11. The combination with movable supports of a stave crozing and cutting machine, a revoluble cutter-head and a rotary carrier for the staves, and a rotary screw connected to said supports for moving one toward the comprising supporting rollers, standards mounted on the rollers, oppositely-threaded sleeves rotatingly mounted on the standards, a screw having right and left threads ongaged with the threaded sleeves, said screw being rotatable with and independently of thesleeves, revoluble stave-carriers secured to the sleeves, and rotary cutter-heads mounted on the standards for the purpose set forth.

14. A machine for crozing and sizing staves comprising upright supports, guide-rods connecting said supports, stave-carriers journaled on the supports and provided with oppositely-threaded hubs, a screw having right and left threads engaged with the threaded hubs, and cutter-heads journaled on the supports for the purpose set forth.

15. A machine for crozing and sizing staves comprising upright supports, guide-rods connectingsaid supports,stave-carriers journaled on the supports and provided with oppositelythreaded hubs, a screw having right and left threads engaged with the threaded hubs, means for rotating the stave-carriers and independent means for driving the cutterheads.

16. In combination with a supportingframe, a rotary cutter-head, a rotary stavecarrier, and a second rotary stave-carrier revolubly mounted on the frame between the former carrier and cutter-head for the purpose specified.

17. A machine for crozing and sizing staves comprising upright standards movable toward and-from each other, guide-bars for the standards, a rotary screw connecting the standards for adjusting them toward and from each other, a revoluble cutter-head and a rotary carrier mounted on each standard and a driving-shaft journaled on the standards and connected to the cutter-heads and to the carriers for actuating the same simultaneously.

In witness whereof I have hereunto set my hand this 9th day of May, 1901.

DOUIA O. PUTNAM. 

